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v0.8.1
v0.8.1
Revision 38a5800cdca6ca11cd60ad07c520a512e88304de authored by Ezio Melotti on 02 August 2010, 03:14:27 UTC, committed by Ezio Melotti on 02 August 2010, 03:14:27 UTC
svn+ssh://pythondev@svn.python.org/python/trunk ........ r77871 | ezio.melotti | 2010-01-31 13:46:54 +0200 (Sun, 31 Jan 2010) | 1 line #7092: silence more -3 and -Wd warnings ........ r77910 | ezio.melotti | 2010-02-02 10:37:35 +0200 (Tue, 02 Feb 2010) | 1 line #7092: silence py3k warnings for bsddb. Patch by Florent Xicluna. ........ r77913 | ezio.melotti | 2010-02-02 19:34:37 +0200 (Tue, 02 Feb 2010) | 1 line #7092: Silence py3k warnings in test_exceptions and test_pep352. Patch by Florent Xicluna. ........
1 parent 9c4fbdb
sunaudio.py
"""Interpret sun audio headers."""
from warnings import warnpy3k
warnpy3k("the sunaudio module has been removed in Python 3.0; "
"use the sunau module instead", stacklevel=2)
del warnpy3k
MAGIC = '.snd'
class error(Exception):
pass
def get_long_be(s):
"""Convert a 4-char value to integer."""
return (ord(s[0])<<24) | (ord(s[1])<<16) | (ord(s[2])<<8) | ord(s[3])
def gethdr(fp):
"""Read a sound header from an open file."""
if fp.read(4) != MAGIC:
raise error, 'gethdr: bad magic word'
hdr_size = get_long_be(fp.read(4))
data_size = get_long_be(fp.read(4))
encoding = get_long_be(fp.read(4))
sample_rate = get_long_be(fp.read(4))
channels = get_long_be(fp.read(4))
excess = hdr_size - 24
if excess < 0:
raise error, 'gethdr: bad hdr_size'
if excess > 0:
info = fp.read(excess)
else:
info = ''
return (data_size, encoding, sample_rate, channels, info)
def printhdr(file):
"""Read and print the sound header of a named file."""
hdr = gethdr(open(file, 'r'))
data_size, encoding, sample_rate, channels, info = hdr
while info[-1:] == '\0':
info = info[:-1]
print 'File name: ', file
print 'Data size: ', data_size
print 'Encoding: ', encoding
print 'Sample rate:', sample_rate
print 'Channels: ', channels
print 'Info: ', repr(info)
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